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Solar Energy Payback

Going green is now financially rewarding.

The owner of a solar electric generator enjoys immediate savings in electricity billing. As the sun shines, solar electricity is produced every second to be used directly or sold to the utility. This works out to a yield on capital investment that outshines financial instruments.

Comparison with other investment instruments

The news only gets better.

 

A 2600W solar generator is typical for a

small home. For larger generators, the

energy collected increases with respect to capital cost, boosting the yield even higher.

 

 In a world where oil demand and prices are projected to increase in line with population growth, electricity only gets more expensive. This raises the value of solar electricity, boosting the yield on investment. In this way, an investment into solar electricity effectively protects the owner from inflation.

Figures to date as of July 2014.

The owner of a solar electric generator can also choose a loan tenor to avoid the upfront capital needed for a solar electric generator. The loan can be serviced through the energy savings. The following illustrates this for a terrace home, allowing the proud owner to enjoy both an interest free loan and savings in electricity billing. Final numbers can shift either direction depending on available roof type, latest solar panel prices and loan interest rate.  

Singapore | Environmentally friendly energy source | Financially rewarding
Financing a solar electric generator for a typical terrace home.

System power                                                                        ................  2600W
 

System cost                                                                           ................  $15000

 

Electricity savings per year                                                    ................  $834

 

Loan period                                                                           ................  5 years


Interest payment per year at 2.6% pa                                    ................  $387

 

Actual electricity savings per year, after interest payment     ................  $447
 

Actual electricity savings per year, from 6th year                  ................  $834*

 

*This number is modest compared to reality, in a world of rising oil and energy prices.

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